Home / 7,173,874.31-9,903,480.89-4,970,407.82

Finding the Fourth Proportional to 7,173,874.31, 9,903,480.89 and 4,970,407.82

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Solution

The fourth proportional to 7,173,874.31, 9,903,480.89 and 4,970,407.82 is: 6,861,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,874.31 : 9,903,480.89 = 4,970,407.82 : x
  2. Step 2: Convert to fraction form
    7,173,874.31/9,903,480.89 = 4,970,407.82/x
  3. Step 3: Cross multiply
    7,173,874.31x = 9,903,480.89 × 4,970,407.82
  4. Step 4: Simplify right side
    7,173,874.31x = 49,224,338,860,876.56
  5. Step 5: Solve for x
    x = 49,224,338,860,876.56/7,173,874.31
  6. Step 6: Final answer
    x = 6,861,611.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.